<template>
  <div class="fei-badge">
    <slot></slot>
    <transition name="zoom-in-center">
      <sup
        v-show="!hidden && (content || content === 0 || isDot)"
        v-text="content"
        class="fei-badge__content"
        :class="[
          {['fei-badge-is-' + type]:type},
          {
            'is-fixed': $slots.default,
            'is-dot': isDot
          }
        ]">
      </sup>
    </transition>
  </div>
</template>

<script>
export default {
  name: 'FBadge',
  props: {
    value: [String, Number],
    max: Number,
    isDot: Boolean,
    hidden: Boolean,
    type: {
      type: String,
      validator: (val) => {
        return ['primary', 'success', 'warning', 'info', 'danger'].includes(val)
      },
    },
  },
  computed: {
    content() {
      if (this.isDot) return
      const value = this.value
      const max = this.max
      if (typeof value === 'number' && typeof max === 'number') {
        return max < value ? `${max}+` : value
      }
      return value
    },
  },
}
</script>
